Patrick, Ross A
Current rating: 1519
Record: 4-3
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 150 | Johnston, Adam (1507) | Won 2-0 | +181518 |
| 3sealed | 193 | Zewiske, Ian (1518) | Lost 0-2 | -181500 |
| 4sealed | 337 | Milutinovic, Charles (1488) | Won 2-0 | +181518 |
| 5sealed | 115 | Young, Jesse (1542) | Won 2-1 | +181536 |
| 6sealed | 89 | Saari, Phil B (1560) | Won 2-0 | +191555 |
| 7sealed | 37 | Erickson, Jens (1647) | Lost 1-2 | -171538 |
| 8sealed | 102 | Steiglitz, Barry (1482) | Lost 1-2 | -191519 |
| average opponent: 1535record: 4-3 | new rating: 1519 | |||